Registration Dossier
Registration Dossier
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EC number: 800-426-4 | CAS number: 1373883-45-4
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
EC10 (28d) > 1000 mg/kg dw (OECD 216)
Key value for chemical safety assessment
Additional information
One study is available on the toxicity of for Fatty acids, C18 unsaturated, trimers, hydrogenated to soil microorganisms. The study was conducted according to OECD Guideline 216 and GLP. Soil was exposed to the test substance at test concentrations of 32, 100, 320 and 1000 mg/kg for 28 days. At 10 and 32 mg/kg test concentrations no significant difference compared to the solvent control was observed. At 100, 320 and 1000 mg/kg test concentrations an increase in nitrate concentrations was observed compared to the control. Given that the increase in nitrate concentrations could have only been due to an increase in the nitrogen transformation rate it was considered that the test item exhibited no adverse effect on the nitrogen transformation rate. The EC10 was thus determined to be > 1000 mg/kg dw.
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